Introduction

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Viewing

ARC+ provides all the necessary tools for viewing the model both during the creation process and for presentation purposes.

You can view the model from any position, angle or projection. You can set the eye and target positions quickly using the view control window, or precisely using the individual viewing commands. You can zoom in or out or even go inside the building and look around using the viewing commands.

You can choose several modes of viewing to display the model according to your preferences:

Perspective or parallel mode of projection

Scaling modes that help you to manually or automatically zoom the view or to focus on a particular location of the model

A modeling mode for creating or editing the model, or a solid viewing mode to display the model with colored surfaces, hidden lines removal, sectioning, shading, and/or shadows.

These modes can be used in combination—for example to display a perspective projection with automatic computation of scaling and display of solid shading. When you change the direction of view, the perspective display is rescaled and reshaded accordingly on the screen.

Most of the viewing commands are nested. This means that you can change the view in the middle of an editing command, for example to display the desired endpoint of a line or wall, and then return to the previous command where you can complete the editing operation. The viewing commands affect only the display of your model, but have no effect on the entities in the model itself.

ARC+ remembers the history of views that you have previously displayed. You can return to a previous view of your model at any time.

You can save the current view in a two-dimensional model file. This is useful to prepare a specific view for plotting, for example by adding text and dimensions in the plane of projection.